Home / 1,229,938.24-1,697,145.06-686,010.28

Finding the Fourth Proportional to 1,229,938.24, 1,697,145.06 and 686,010.28

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Solution

The fourth proportional to 1,229,938.24, 1,697,145.06 and 686,010.28 is: 946,599.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,938.24 : 1,697,145.06 = 686,010.28 : x
  2. Step 2: Convert to fraction form
    1,229,938.24/1,697,145.06 = 686,010.28/x
  3. Step 3: Cross multiply
    1,229,938.24x = 1,697,145.06 × 686,010.28
  4. Step 4: Simplify right side
    1,229,938.24x = 1,164,258,957,811.22
  5. Step 5: Solve for x
    x = 1,164,258,957,811.22/1,229,938.24
  6. Step 6: Final answer
    x = 946,599.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.